WEB-INF/lib/libchart/classes/view/primitive/Rectangle.php

   1 <?php
   2         /* Libchart - PHP chart library
   3          * Copyright (C) 2005-2008 Jean-Marc Trémeaux (jm.tremeaux at gmail.com)
   4          *
   5          * This program is free software: you can redistribute it and/or modify
   6          * it under the terms of the GNU General Public License as published by
   7          * the Free Software Foundation, either version 3 of the License, or
   8          * (at your option) any later version.
   9          *
  10          * This program is distributed in the hope that it will be useful,
  11          * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12          * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13          * GNU General Public License for more details.
  14          *
  15          * You should have received a copy of the GNU General Public License
  16          * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17          *
  18          */
  19
  20         /**
  21          * A rectangle identified by the top-left and the bottom-right corners.
  22          *
  23          * @author Jean-Marc Trémeaux (jm.tremeaux at gmail.com)
  24          * @Created on 27 july 2007
  25          */
  26         class Rectangle {
  27                 /**
  28                  * Top left X.
  29                  */
  30                 public $x1;
  31
  32                 /**
  33                  * Top left Y.
  34                  */
  35                 public $y1;
  36
  37                 /**
  38                  * Bottom right X.
  39                  */
  40                 public $x2;
  41
  42                 /**
  43                  * Bottom right Y.
  44                  */
  45                 public $y2;
  46
  47                 /**
  48                  * Constructor of Rectangle.
  49                  *
  50                  * @param x1 Left edge coordinate
  51                  * @param y1 Upper edge coordinate
  52                  * @param x2 Right edge coordinate
  53                  * @param y2 Bottom edge coordinate
  54                  */
  55                 public function Rectangle($x1, $y1, $x2, $y2) {
  56                         $this->x1 = $x1;
  57                         $this->y1 = $y1;
  58                         $this->x2 = $x2;
  59                         $this->y2 = $y2;
  60                 }
  61
  62                 /**
  63                  * Apply a padding and returns the resulting rectangle.
  64                  * The result is an enlarged rectangle.
  65                  *
  66                  * @return Padded rectangle
  67                  */
  68                 public function getPaddedRectangle($padding) {
  69                         $rectangle = new Rectangle(
  70                                         $this->x1 + $padding->left,
  71                                         $this->y1 + $padding->top,
  72                                         $this->x2 - $padding->right,
  73                                         $this->y2 - $padding->bottom
  74                         );
  75
  76                         //echo "(" . $this->x1 . "," . $this->y1 . ") (" . $this->x2 . "," . $this->y2 . ")<br>";
  77                         return $rectangle;
  78                 }
  79         }
  80 ?>